Linux Kernel RPC Interface config

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in Linux Kernel. Affected is an unknown function of the component RPC Interface. Such manipulation leads to config. This vulnerability is referenced as CVE-1999-0656. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Linux Kernel (Operating System) (version unknown). Affected by this issue is an unknown function of the component RPC Interface. The manipulation with an unknown input leads to a config vulnerability. Using CWE to declare the problem leads to CWE-16. Impacted is confidentiality. CVE summarizes:

The ugidd RPC interface, by design, allows remote attackers to enumerate valid usernames by specifying arbitrary UIDs that ugidd maps to local user and group names.

The weakness was published 01/01/1999 (Website). The advisory is shared for download at ca.com. This vulnerability is handled as CVE-1999-0656. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1592.004.

The vulnerability scanner Nessus provides a plugin with the ID 215715 (Azure Linux 3.0 Security Update: kernel (CVE-1999-0656)), which helps to determine the existence of the flaw in a target environment.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (348) and Tenable (215715). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Config
CWE: CWE-16
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 215715
Nessus Name: Azure Linux 3.0 Security Update: kernel (CVE-1999-0656)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/01/1999 🔍
01/01/1999 +0 days 🔍
06/19/2014 +5648 days 🔍
02/12/2025 +3891 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: ca.com
Status: Confirmed

CVE: CVE-1999-0656 (🔍)
GCVE (CVE): GCVE-0-1999-0656
GCVE (VulDB): GCVE-100-14420
X-Force: 348

Entryinfo

Created: 06/20/2014 01:42
Updated: 02/12/2025 09:29
Changes: 06/20/2014 01:42 (38), 04/04/2019 07:55 (10), 02/12/2025 09:29 (20)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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